000015866 001__ 15866
000015866 005__ 20161115135332.0
000015866 04107 $$aeng
000015866 046__ $$k2013-06-12
000015866 100__ $$aLashgari, A.
000015866 24500 $$aRole of Sliding Block Rotation on Earthquake-Induced Permanent Displacement of Earth Slopes

000015866 24630 $$n34.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000015866 260__ $$bNational Technical University of Athens, 2013
000015866 506__ $$arestricted
000015866 520__ $$2eng$$aDifferent methods are available for estimating earthquake-induced permanent deformation of earth slopes and embankments. Due to its simplicity, Newmarkian rigid block analogy has received considerable attention among the geotechnical practitioners and researchers. Since the conventional Newmarkian analogy has considered many limiting assumptions, conservative and unconservative estimate of sliding displacement would be possible. Thus, researchers have proposed many modifications to enhance the realistic features of this method. In reality, it is anticipated that the downward rotational (stabilizing) movement of the soil mass can significantly affect the yielding acceleration of the presumed slip surface. In this paper, the mentioned modification is numerically implemented to the conventional formulation of the Newmark approach for actual earthquake excitations. The results are presented for several conditions including the conventional rigid block, decoupled assumption of sliding and slope response, coupled consideration of sliding and slope response, and decoupled assumption with the effect of sliding block rotation. According to the results of this study, the period ratio (the ratio of natural period of slope to the mean period of input motion) and the length of slip surface can significantly vary the permanent displacement of sliding mass for these conditions.

000015866 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000015866 653__ $$aSeismic Slope Stability, Permanent Displacement, Rigid block analysis, decoupled Analysis, Coupled Analysis, Rotation

000015866 7112_ $$aCOMPDYN 2013 - 4th International Thematic Conference$$cIsland of Kos (GR)$$d2013-06-12 / 2013-06-14$$gCOMPDYN2013
000015866 720__ $$aLashgari, A.$$iJafarian, Y.
000015866 8560_ $$ffischerc@itam.cas.cz
000015866 8564_ $$s239487$$uhttps://invenio.itam.cas.cz/record/15866/files/1594.pdf$$yOriginal version of the author's contribution as presented on CD, section: CD-RS 08 GEOTECHNICAL EARTHQUAKE ENGINEERING
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000015866 962__ $$r15525
000015866 980__ $$aPAPER